Home / 13,364.35-20,040.88-4,005.70

Finding the Fourth Proportional to 13,364.35, 20,040.88 and 4,005.70

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Solution

The fourth proportional to 13,364.35, 20,040.88 and 4,005.70 is: 6,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.35 : 20,040.88 = 4,005.70 : x
  2. Step 2: Convert to fraction form
    13,364.35/20,040.88 = 4,005.70/x
  3. Step 3: Cross multiply
    13,364.35x = 20,040.88 × 4,005.70
  4. Step 4: Simplify right side
    13,364.35x = 80,277,753.02
  5. Step 5: Solve for x
    x = 80,277,753.02/13,364.35
  6. Step 6: Final answer
    x = 6,006.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.